From owner-freebsd-hackers@FreeBSD.ORG Tue Sep 23 15:55:38 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8A32D16A4BF for ; Tue, 23 Sep 2003 15:55:38 -0700 (PDT) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id AA44443FEC for ; Tue, 23 Sep 2003 15:55:35 -0700 (PDT) (envelope-from eischen@vigrid.com) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mail.pcnet.com (8.12.10/8.12.1) with ESMTP id h8NMtUgG019259; Tue, 23 Sep 2003 18:55:30 -0400 (EDT) Date: Tue, 23 Sep 2003 18:55:30 -0400 (EDT) From: Daniel Eischen X-Sender: eischen@pcnet5.pcnet.com To: "M. Warner Losh" In-Reply-To: <20030923.150657.131323048.imp@bsdimp.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: hackers@freebsd.org Subject: Re: Wireless Embedded monitoring X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Sep 2003 22:55:38 -0000 On Tue, 23 Sep 2003, M. Warner Losh wrote: > In message: > Daniel Eischen writes: > : Anyone have any experience with PC/104 or other really small > : footprint platorms and FreeBSD? > > Yes. Works great. We've used FreeBSD on about two dozen different > single board computers. > > : We need to build a small box for equipment monitoring (temperature, > : pressure diff., vibration, indication). Just a few discrete > : inputs/outputs, and analog inputs would be good enough. The > : hard part may be sampling an A/D signal at up to 30KHz, so > : having the I/O card do the sampling and buffer it would > : probably be necessary. > > I'd recommend one of the Soekris boxes. > > : Any ideas on hardware (SBC, I/O board)? > > http://www.soekris.com is great. Yes, it looks nice. The form factor is just a bit larger than PC/104, especially with a PCCard plugged into its side. We'd also need some sort of general purpose I/O card which are fairly easy to find in PC/104 stacking modules. -- Dan Eischen